Electronic switching telephone system



May12, 1959 G. 0. K. SCHNEIDER 2,886,656

ELECTRONIC SWITCHENG TELEPHONE SYSTEM Filed June 4. 1958 21 Sheets-Shqet 1 LOCAL -0FFICE LONG LONG 1 LONG DISTANCE DISTANCE DISTANCE SWITCHING Y SWITCHING SWlTCHlNG I CENTER CENTER CENTER I '/3 9 LOCAL LOCAL LOCAL OFFICE I OFFICE I OFFICE 4 LOCAL LOCAL OFFICE OFFICE INVENTOR. GERHARD o.| SCHNEIDER BY Fa W ATTORNEY May 12, 1959 G; 0. K. SCHNEIDER 2,386,656 I ELECTRONIC SWITCHING TELEPHONE SYSTEM 21 Sheets-Sheet 2 Filed June 4, 1958 HIGHWAY-l MONITOR MULTIPLEX PULSE GEN.

OFF

LINE TERMINATING UNIT LINE TERMINATING UNIT ROUTE SELECTOR CALLING UNIT FINDER CIRCUIT CONTROL COUNTER 'May 12, 1959 I G. 0.x. CHNEIDER ELECTRONIC. SWITCHING TELEPHONE SYSTEM i v 21 Sheets-Sheet 5 Filed June '4. .1958

HIGHWAY 2 v MONITOR 4 INVERTER AMPLIFIER INCOMING INCOMING 'REGISTER I -INCOMING ALLO E DISTRIBUTOR I56 OUTGOING DISTRIBUTOR CHANNEL ALLOTTER REGISTER FINDER May 12, 1959 .G. 0. K. SCHNEIDER 2,886,656 ELECTRONIC swrrcmuc TELEPHONE SYSTEM Filed June 4, 1958 21 Sheets-Sheet 4 COUPLING CIRCUITS RECALL SCAN CONTROL mi RECALL LINK CCT.

LINK OCT. 1

LINK CCT. 6

RC0 ll RDA ll RC I I UF ATB LDM y '1959 G. 0. K. SCHNEIDER 2,886,656

ELECTRONIC SWITCHING TELEPHONE sYsTEM Filed June 4. 1958 21 Sheets-Sheet 5 OPERATOR REGISTER POSITION I SENDERI OPERATOR, REGISTER POSITION 2 SENDER 2 May 12, 1959. I G. 0. K. SCHNEIDER 2,886,656

- I v ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed. June 4,1958 6 21 Sheets-Sheet e 6 HYBRID CIRCUITS HIGHWAY l IGHWAY 2 F TO FIGS. 7 ll y 1959 G. o.'K. SCHNEIDER 2,886,656

ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed June 4,1958 21 Sheets-Sheet '7 LINK cmcun' i TO FIG-.6

N 5 O 0 LI] (D A (D m T T F v CALLED CALLING CALLED SEND SEND 2 SEND 2 707 706 I DETECTOR INTEGRATOR y 12, 5 G. 0. K. SCHNEIDER 2,886,656 I ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed June 4, 1958 21 Sheets-Sheet 8 REC.2

CALLING REC. Z

CALLED REC. l

CALLED REC. 2

HW.| SEL.

TIME PosrrioN STORE IO May 12, 1959 G. 0. K. SCHNEIDER 8 ELECTRONIC SWITCHING TELEPHONE SYSTEM 1 Filed June 4, 1958 21 Sheets-Sheet 9 LINK CIRCUIT l i T O AMP. 35 TO ROUTE TO FIGJ? SELECTOR M y 12, 1959 I G. 0. K. SCHNEIDER 2,886,656

ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed June 4, 1958 21 Sheets-Sheet 10 LINK CIRCUIT I TO FIG.I8 I

LON l May 12, 1959 G. O. K. SCHNEIDER ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed June 4, i958 RECALL LINK CIRCQIT I 21 Sheets-Sheet 11 TO FIG.6 T J N. N I E o 8 8 U) (D O: D:

T \F T -T T T T T T T T T V en. ce. co. es. en. cs. co. cs. SEND 1 SEND SEND 2 SEND 2 REC.2 REC. 2 REC. REC.

T l' T l 1 J a l 1 z DETECTOR +6 l j 'H INTEGRATOR L.P.F.

nos n02 l2-\/V I -l2 +|2 -|2 LC/ nos I m I/HO 42 RECALL DETECTOR (:0. cs. T J\ nu -|2 May 12, 1959 G. 0. K. SCHNEIDER ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed June 4, 1958 21 Sheets-Sheet 15 ff. POSITION LINKI COUPLING CIRCUIT T0 Flt-3.7 T0 FIG.9 TO FIG-8 TO FIGJO TO FIGJO I REC.

fi co cs F TO POSITION'I CALL 2-6 a POSITION 2 CALL l IFR PKOI

TO FIG.I5 TO FIG.I6 TO REG..SD.I TO FIG.I4

May 12, 1959 G. 0. K. SCHNEIDER 2,836,655

ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed June 4, 1958 v 21 Sheets-Sheet 14 F POSITION RECALL LINK 7' COUPLING cmcun T0 FIG. TO FIG.I2 F J A a 8 a T' 0) Ir E D: II E an: In:

i TO POSITION 2 RECALL 1i IHI 7K ii In 2 8 n: o 2 E E 1 i t l TO FIGJS TO FIGJS TO REG. SDJ TO FIG-l6 TO F|G.l3

May 12, 1959 e. 0. K. SCHNEIDER 2,886,656

ELECTRONIC SWITCHING TELEPHONE SYSTEM Filed June 4. 1958 21 Sheets-Sheet 15 OPERATOR POSIITION T0 FIG. 13am TO |=|e.|o TO FIG. 12 i,

T0 T0 RECEIVER TRANSMITTER e. 0. K. SCHNEIDER 1 2,886,656

ELECTRONIC SWITCHING TELEPHONE SYSTEM.

May 12, 1959 21 Sheets-Sheet 19 Filed June 4, 1958 RECALL SCAN CONTROL m u L G E Fr L 2:; mfih m m lillllll O T s. S a e 23E a m Y L G F NEE J llllll 7. L. S L e F IIL SEE :EE 25.5

G. 0. K. SCHNEIDER CTRONIC SWITCHING TELEPHONE SYSTEM May 12, 1959 EZLE 21 Sheets-Sheet 20 Filed June 4, 1958 f 5X20 RECALL SCAN CONTROL STOP TO 4OFIGJ2 Ll VI RHWBB TO FIG- l2 

